63222313 has 8 divisors (see below), whose sum is σ = 78822720. Its totient is φ = 49264080.

The previous prime is 63222301. The next prime is 63222317. The reversal of 63222313 is 31322236.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 63222313 - 2⁵ = 63222281 is a prime.

It is a super-2 number, since 2×63222313² = 7994121722139938, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63222317) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 410458 + ... + 410611.

It is an arithmetic number, because the mean of its divisors is an integer number (9852840).

Almost surely, 2^63222313 is an apocalyptic number.

It is an amenable number.

63222313 is a deficient number, since it is larger than the sum of its proper divisors (15600407).

63222313 is a wasteful number, since it uses less digits than its factorization.

63222313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 821087.

The product of its digits is 1296, while the sum is 22.

The square root of 63222313 is about 7951.2460029859. The cubic root of 63222313 is about 398.3732116181.

Adding to 63222313 its reverse (31322236), we get a palindrome (94544549).

It can be divided in two parts, 632223 and 13, that added together give a palindrome (632236).

The spelling of 63222313 in words is "sixty-three million, two hundred twenty-two thousand, three hundred thirteen".